What was Joe Namath's biggest obstacle?

Joe Namath's biggest obstacle was overcoming the skepticism surrounding his abilities, particularly due to his injuries and the pressure of living up to his larger-than-life persona. Despite being a talented quarterback, he faced criticism for his flamboyant lifestyle and brash confidence. Additionally, injuries, particularly to his knees, hindered his performance throughout his career, testing his resilience and determination to succeed in the NFL.